Hose Master Stainless Steel Flexible Metal Hose Assembly, Carbon Steel NPT Male Flexible hose assembly for chemical, gas, oil, or hydraulic transfer operations Hydroformed, corrugated 321 stainless steel tube for uniform wall thickness, flexibility, and resistance to high temperatures Single-braid 304 stainless steel reinforced cover for strength Maximum working temperature of 850 degrees F Two factory-installed carbon steel male NPT fittings